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Table 4 Evaluation of non-dimensional parameters

From: Multiple Aneurysms AnaTomy CHallenge 2018 (MATCH): uncertainty quantification of geometric rupture risk parameters

#

Name (abbreviation)

Value, median [IQR]

Relative uncertainty, median [IQR] in %

Correlation, τ

19

Size ratio (SR)

1.56 [0.88]

19.9 [14.5]

0.8

20

Aspect ratio (AR)

0.75 [0.64]

29.3 [28.1]

0.6

21

Equivalent aspect ratio (eAR)

0.57 [0.48]

32.6 [13.3]

1.0

22

Bottleneck factor (BF)

1.34 [0.57]

20.1 [30.0]

0.8

23

Bulge location (BL)

0.49 [0.35]

30.1 [73.4]

0.2

24

Nonsphericity index (NS)

0.27 [0.02]

10.8 [6.4]

0.2

25

Isoperimetric ratio (IPR)

5.28 [0.15]

3.9 [2.6]

0.2

26

Aneurysm volume to bounding sphere volume (AVSV)

0.44 [0.04]

17.3 [24.9]

0.4

27

Aneurysm surface area to bounding sphere area (AASA)

0.62 [0.04]

9.5 [12.3]

0.8

28

Undulation index (UI)

0.05 [0.03]

70.9 [73.8]

− 0.2

29

Convex ratio (CR)

0.95 [0.03]

4.2 [2.4]

0.2

30

Ellipticity index (EI)

0.25 [0.02]

5.1 [4.3]

0.2

  1. Median and IQR of the five median values calculated for each aneurysm (2nd column) as well as the parameters’ relative uncertainty ranges (3rd column). A measure of correlation, Kendall’s tau, between median values and uncertainties is specified (4th column)